Filter Filters Alpine Remove All Filters Price Under $50 (1) $50-$100 (2) $100-$500 (3) $500 and above (1) Condition New (7) Size 12" (3) 10" (1) Voice Coils 2 Ohm (1) Single (2) Alpine RUX-KNOB.2 Remote Bass Knob $29.95 Alpine R2-W12D2 Next Gen 12" Sub R-Series Dual 2-Ohm 750 RMS Includes... $379.95 Alpine W12S4 Car Audio BassLine Series Sub Single 4 Ohm 500W Peak 12" Subwoofer $99.95 Alpine W10S4 Car Audio BassLine Series Sub Single 4 Ohm 500W Peak 10" Subwoofer $89.95 Universal Regular Standard Cab Truck Alpine Type S S-W12D4 Single 12" Rhino... $454.95 Universal Regular Standard Cab Truck Alpine Type S S-W12D4 Single 12" Rhino... $204.95